生叶子的
- 与 生叶子的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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According to several years practice, comprehensively sum up measures of forcing culture technology of scale and dwarf on potted Bougainvillea as: a propagation of cuttage, which choose a mixture of 50%peat, 33% vermiculite and 17 sharp sand as cutting soil, and choose a semi-wooden shoot cut into 5~10cm length with 2~3 leaves as cuttings then touch 1% AA root powder, is lower cost and higher survival rate than that of tissue culture; Bougainvillea growth can be efficaciously regulated by pruning and using 2~5g/L PP333; bougainvillea can be induced to flowers by spraying 2.5~4.0g/L B9 and administering no more 11 hours daylight every day continuously; the florescence can be more prolonged about 20 days by spraying 50mg/L NAA while selling; and prevention and cure of pest and disease, etc.
根据多年的生产实践,从科学育苗、栽培管理、售前处理和病虫害防治等方面综合总结了叶子花的规模化矮化促成生产技术措施:选择泥炭土、蛭石和黄沙按3:2:1比例混合均匀的扦插基质,采用半木质化当年生枝条,剪成5~10cm长的2~3叶节一段,沾染1%自制生根粉的扦插育苗较组培育苗成本低,成活率高;结合修剪用2~5g/L的多效唑进行叶面喷洒能有效控制生长,矮化植株;选择2.5~4.0的丁酰肼叶面喷洒和每天保持不多于11h的短日照处理,能有效促进开花;销售前全株喷洒脱50mg/L NAA可延长花期20天左右;整个生产过程加强肥水管理、温湿度控制和环境清洁能有效防治病虫害发生。
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Acer'.'' of the North Temperate Zone, having opposite, usually palmate leaves and long-winged fruits borne in pairs.
槭树,枫树任一种北温带的众多属于槭属的落叶树木或灌木,生有对称的通常呈掌状的叶子和成对结的长翅状果实
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Medium to tall fast-growing tree with orange flowers and feathery bipinnate leaves silky-hairy beneath; eastern Australia.
中等尺寸到高大的长速快的树,有橙色的花和生有羽毛的两羽状的叶子,其下丝滑多毛;分布在澳大利亚东部。
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Any of several vascular, spore-bearing, aquatic or marsh plants of the genus Isoetes having short rhizomes and quill-like leaves.
水韭一种水韭属的、有维管的、含孢子的水生或沼生的植物,长有短根茎和羽管状的叶子
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For example, the basic angiosperm stem is vertical and elongated, but some cacti have swollen water-storing stems, while other xerophytic plants that have lost their leaves during the course of evolution have evolved flattened leaflike stems for photosynthesis, e.g.
例如被子植物的茎是垂直的,伸长的,但一些仙人掌具有膨大的能够储水的茎,另一些旱生植物在进化的过程中失去了叶子,但又发展为利用扁平叶状的茎来进行光合作用。
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Common water lily of eastern and central North America, having broad leaves and globe-shaped yellow flowers; in sluggish fresh or slightly brackish water .
北美中部或东部的一种普通的睡莲,具有宽的叶子和黄色球形花朵;大量生长在缓流的淡水中或有时生在轻度的含盐淡水中。
- 推荐网络例句
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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.
在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。
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In fact,I've got him on the satellite mobile right now.
实际上 我们已接通卫星可视电话了
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The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。